Ah I'm glad to see the situation seems to have cooled a little.

See this comment and the three following, as well as this one and the two following. I think they can now work it out between the projects reasonably.

PS: This more fundamental proposal for Fedora Workstation that started from the OBS packaging issue is also interesting to read. It seems they are looking to make more limited / focused use of their own Flatpak remote in the future since some old assumptions regarding Flatpaks and Flathub don't hold so well anymore.